Overview
The ADM1021AARQ-REEL, manufactured by onsemi, is a sophisticated two-channel digital thermometer designed for accurate temperature monitoring in various electronic systems. This device is particularly suited for use in personal computers, notebooks, and other applications requiring precise temperature measurement and alarm functions. It features both on-chip and remote temperature sensing capabilities, making it versatile for different environmental conditions.
Key Specifications
| Parameter | Rating/Value | Unit |
|---|---|---|
| Supply Voltage Range | 3.0 to 5.5 | V |
| Operating Current | 200 μA (max) | μA |
| Standby Current | 1 μA | μA |
| On-chip Temperature Accuracy | ±1°C | °C |
| Remote Temperature Accuracy | ±3°C | °C |
| Conversion Rate | Programmable | |
| Interface | 2-wire SMBus Serial Interface | |
| Package Type | QSOP-16 | |
| Operating Temperature Range | -55 to +125°C | °C |
| Maximum Junction Temperature | 150°C | °C |
Key Features
- No calibration necessary for temperature sensing.
- Programmable over/undertemperature limits.
- Supports System Management Bus (SMBus) alert.
- Low power consumption with 200 μA max operating current and 1 μA standby current.
- Small QSOP-16 package, Pb-free, halogen-free, and RoHS compliant.
- Ability to switch between normal operation and standby mode.
- Masking or enabling the ALERT output.
- Selecting the conversion rate via SMBus.
Applications
- Desktop computers.
- Notebook computers.
- Smart batteries.
- Industrial controllers.
- Telecom equipment.
- Instrumentation.
Q & A
- What is the primary function of the ADM1021AARQ-REEL?
The primary function is to accurately measure temperatures using both on-chip and remote sensors, and to provide over/undertemperature alarms. - What is the accuracy of the on-chip temperature sensor?
The on-chip temperature sensor has an accuracy of ±1°C. - What is the accuracy of the remote temperature sensor?
The remote temperature sensor has an accuracy of ±3°C. - What type of interface does the ADM1021AARQ-REEL use?
The device uses a 2-wire SMBus serial interface. - What is the operating current of the ADM1021AARQ-REEL?
The maximum operating current is 200 μA. - What is the standby current of the ADM1021AARQ-REEL?
The standby current is 1 μA. - What are the programmable features of the ADM1021AARQ-REEL?
The device allows programming of over/undertemperature limits and the conversion rate. - What is the package type of the ADM1021AARQ-REEL?
The package type is QSOP-16. - Is the ADM1021AARQ-REEL RoHS compliant?
Yes, the device is Pb-free, halogen-free, and RoHS compliant. - What are some common applications of the ADM1021AARQ-REEL?
Common applications include desktop and notebook computers, smart batteries, industrial controllers, telecom equipment, and instrumentation.
